650nm Red Line Laser Diode Module with Adapter HolderParameters:Size:12x55mm Core device: Mitsubishi Wavelength: 650nm Output Power: 5/10/20/50/80mW Supply voltage: 5V Operating current: 20-140mA Laser beam: Line Focusble:Yes Optical part: PVC focus lens + K9 Lens Material: aerospace aluminum Best working distance: 1-4 meters Working medium: SemiconductorApplication:The module is true positioning. For Button Positioning, Sewing Equipment, Embroidery Machine dedicated, correct marking and so on:1x 650nm Line Laser 1x 5V Adapter 1x 12mm Adhustable Holder